<template>
  <el-dialog width="500px" title="员工导入" :visible="showExcelDialog" @close="$emit('update:showExcelDialog', false)">
    <el-row type="flex" justify="center">
      <div class="upload-excel">
        <input ref="upLoadRef" class="excel-upload-input" type="file" accept=".xlsx, .xls" @change="upLoadFiles">
        <div class="drop">
          <i class="el-icon-upload" />
          <el-button type="text" @click="getExportTemplate">下载导入模板</el-button>

          <span>将文件拖到此处或
            <el-button type="text" @click="upLoadFile">点击上传</el-button>

          </span>

        </div>

      </div>

    </el-row>

    <el-row type="flex" justify="end">
      <!-- update:props属性名，值 直接修改 .sync修饰符的属性值 -->
      <el-button size="mini" type="primary" @click="$emit('update:showExcelDialog', false)">取消</el-button>

    </el-row>

  </el-dialog>

</template>

<script>
import { getExportTemplate } from '@/api/employee'
import { saveAs } from 'file-saver'
import { upLoadFileAPI } from '@/api/employee'
export default {
  props: {
    showExcelDialog: {
      type: Boolean,
      default: false
    }
  },
  methods: {
    async getExportTemplate() {
      const data = await getExportTemplate()
      saveAs(data, '员工导入模版.xlsx')
    },
    upLoadFile() {
      this.$refs.upLoadRef.click()
    },
    async upLoadFiles(e) {
      const files = e.target.files // input的文件列表
      if (files.length < 0) return
      // 大于0 说明有文件要上传
      const forData = new FormData()
      // file: file类型
      forData.append('file', files[0])
      try {
        await upLoadFileAPI(forData)
        this.$message.success('导入成功')
        this.$emit('update:showExcelDialog', false)
      } catch (error) {
        this.$message.error('导入失败')
      } finally {
        // 清空文件
        this.$refs.upLoadRef.value = ''
      }
    }
  }
}
</script>

<style scoped lang="scss">
.upload-excel {
    display: flex;
    justify-content: center;
    margin: 20px;
    width: 360px;
    height: 180px;
    align-items: center;
    color: #697086;

    .excel-upload-input {
        display: none;
        z-index: -9999;
    }

    .btn-upload,
    .drop {
        border: 1px dashed #dcdfe6;
        width: 100%;
        height: 100%;
        text-align: center;
        line-height: 160px;
        border-radius: 8px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .drop {
        line-height: 40px;
        color: #bbb;

        i {
            font-size: 60px;
            display: block;
            color: #c0c4cc;
        }
    }
}
</style>
